Home / 1,105,247.65-1,525,133.19-621,802.39

Finding the Fourth Proportional to 1,105,247.65, 1,525,133.19 and 621,802.39

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Solution

The fourth proportional to 1,105,247.65, 1,525,133.19 and 621,802.39 is: 858,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,247.65 : 1,525,133.19 = 621,802.39 : x
  2. Step 2: Convert to fraction form
    1,105,247.65/1,525,133.19 = 621,802.39/x
  3. Step 3: Cross multiply
    1,105,247.65x = 1,525,133.19 × 621,802.39
  4. Step 4: Simplify right side
    1,105,247.65x = 948,331,462,610.32
  5. Step 5: Solve for x
    x = 948,331,462,610.32/1,105,247.65
  6. Step 6: Final answer
    x = 858,026.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.